Jack Diamond may refer to:
- Jack Diamond (architect) (born 1932), Canadian architect
- Jack Diamond (Canadian businessman) (1909–2001), Canadian businessman and philanthropist
- Jack Diamond (gangster) (1897–1931), Irish-American gangster in Philadelphia and New York City during the Prohibition era
- Jack Diamond (radio personality), radio personality in Washington DC
- Jack Diamond (comedy entertainer) (born 1941), British comedy entertainer
Famous quotes containing the words jack and/or diamond:
“This is the dog
That worried the cat”
—Mother Goose (fl. 17th–18th century. The House That Jack Built (l. 11–12)
“A poet who makes use of a worse word instead of a better, because the former fits the rhyme or the measure, though it weakens the sense, is like a jeweller, who cuts a diamond into a brilliant, and diminishes the weight to make it shine more.”
—Horace Walpole (1717–1797)